Alert archive / New York / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 17, NWS Buffalo, NY

July 18, 1992Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 18, 1992, 1:45 PM EDT for Chautauqua County, New York. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1992, 1:45 PM EDT (17:45 UTC)
Expired
Jul 18, 1992, 2:45 PM EDT
In force
60 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Chautauqua County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.8 hours before the alert went out and 91 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 1992-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1992-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
101 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBUF 181748
SVRBUF
NYC013-181845-

BULLETIN  EBS ACTIVATION  REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
145 PM EDT SAT JUL 18 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 245 PM EDT FOR PEOPLE IN THE FOLLOWING NEW YORK
COUNTIES...CHAUTUAQUA

AT 145 PM EDT BUFFALO RADAR DETECTED A SEVERE THUNDERSTORM ALONG
THE NEW YORK...PENNSYLVANIA BORDER ABOUT 15 MILES WEST OF CHAUTUAQUA
LAKE. THIS THUNDERSTORM WAS MOVING EAST AT 25 MILES AN HOUR AND HAD
A HISTORY OF STRONG WINDS WHEN IT WAS OVER NORTHWEST PENNSYLVANIA.
BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTNING..
STRONG DAMAGING WINDS AND LARGE HAIL.  LOCALLY HEAVY RAIN MAY ALSO CAUSE
DRAINAGE FLOODING.

IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY.
IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION.                 [
PACE

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 18, 12:44 PM EDT, 1 hour 1 minute before
NYZ001<005-021-022-181735-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
1235 PM EDT SAT JUL 18 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM FOR ALL OF
WESTERN NEW YORK AS FAR EAST AS THE CENTRAL FINGER LAKES REGION.
THIS INCLUDES THE BUFFALO AND ROCHESTER METROPOLITAN AREAS...

AT 1230 PM...BUFFALO RADAR INDICATED A CLUSTER OF THUNDERSTORMS OVER
CHAUTAUQUA COUNTY OF NEW YORK. ONE OF THESE STORMS...WITH VERY HEAVY
RAIN...WAS NEAR MAYVILLE ON CHAUTAUQUA LAKE. OTHER SHOWERS HAVE
DEVELOPED RAPIDLY EASTWARD INTO WESTERN CATTARAUGUS COUNTY AND NORTH
TO FREDONIA AND GOWANDA.

MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. SHOWERS AND THUNDERSTORMS
WILL DEVELOP OVER SOUTHERN ERIE AND WYOMING COUNTIES BEFORE 2 PM.

ELSEWHERE...A THUNDERSTORM WITH VERY HEAVY RAIN WAS ALONG THE PENNSYLVANIA-
OHIO BORDER 20 MILES SOUTHWEST OF ERIE. THIS STORM WAS ALSO MOVING
NORTHEAST AT 20 MILES AN HOUR.

THUNDERSTORMS HAVE ALSO POPPED UP OVER ONTARIO...10 MILES WEST
OF HAMILTON...AND 40 MILES NORTHWEST OF TORONTO. MOVEMENT OF THESE
STORMS HAS NOT YET BEEN DETERMINED.

STAY TUNED TO NOAA WEATHER RADIO THROUGHOUT THE AFTERNOON FOR FREQUENT
UPDATES AND PFOSSIBLE WARNINGS.

MCLAUGHLIN
Special weather statement, Jul 18, 1:41 PM EDT, 4 minutes before
NYZ001<005-021-022-181840-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
140 PM EDT SAT JUL 18 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM FOR ALL OF
WESTERN NEW YORK AS FAR EAST AS THE CENTRAL FINGER LAKES REGION.

AT 130 PM...BUFFALO RADAR INDICATED A CLUSTER OF THUNDERSTORMS OVER
CHAUTAUQUA AND CATTARAUGUS COUNTIES OF NEW YORK. SOME OF THESE STORMS
WERE PRODUCING VERY HEAVY RAIN AND WERE LOCATED ABOUT 5 TO 10 MILES
NORTH AND WEST OF JAMESTOWN. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS
5 MILES EAST OF DAYTON.

MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR.

ELSEWHERE...ANOTHER AREA OF SCATTERED SHWOWERS AND THUNDERSTORMS WAS OVER
NEARBY SOUTHERN ONTARIO FROM NEAR LONDON AND HAMILTON...NORTHEAST ACROSS
THE TORONTO AREA TO LAKE SIMCOE AND PETERBOROUGH.
MOVEMENT WAS ALSO NORTHEAST AT 20 MILES AN HOUR.

STAY TUNED TO NOAA WEATHER RADIO THROUGHOUT THE AFTERNOON FOR FREQUENT
UPDATES AND POSSIBLE WARNINGS.

KUHL

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 5:30 PM EDTFlash Flood WarningBUFNiagara4 hr

Nearby

Severe Thunderstorm Warnings in New York, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.